Motorcycle engine case guard



FIG. 1 is a top-front perspective view illustrating my design for a motorcycle engine case guard.

FIG. 2 is a top-rear perspective view thereof.

FIG. 3 is a left-side view thereof.

FIG. 4 is a bottom view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is a rear view thereof.

FIG. 7 is a right-side view thereof.

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom perspective view thereof.

The broken lines in FIGS. 4 and 9 representing fasteners show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a motorcycle engine case guard, as shown and described. 